element
Information about Darmstadtium-269:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:269.145144±0.000306amu #
    Excess Mass (Δ):135.200000±0.285000MeV #
    Binding Energy:1949.927000±0.285000MeV #
"The 1995 update to the atomic mass evaluation" by G.Audi and A.H.Wapstra, Nuclear Physics A595 vol. 4 p.409-480, December 25, 1995.
Radioactive Decay Data:

  • Spin: (3/2+)
  • Half life: 0.17 µs ( 1.7×10-07 sec., λ = 4.07734×10+06 s-1)
  • Mode of decay: α to
    265
    108
    Hs
      (Q = 11.680 MeV)
R.R.Kinsey, et al.,The NUDAT/PCNUDAT Program for Nuclear Data,paper submitted to the 9 th International Symposium of Capture-Gamma_raySpectroscopy and Related Topics, Budapest, Hungary, Octover 1996.Data extracted from NUDAT database (Jan. 14/1999)